四川成都市2011届高三第二次诊断性考试英语试题. ninety-nine percent of the panda’s diet is bamboo, it
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四川成都市2011届高三第二次诊断性考试英语试题._______ ninety-nine percent of the panda’s diet is bamboo, it also eats corn, apples and sweet potatoes.
A. If B. While C. Because D. Since
试题答案
B